Your Choice... End of Days scenario

If the following were your options to try and survive which would you pick... and why 1. EMP attack 2. Zombie infestation 3. Alien invation 4. New Ice age 5. Comet strike 6. Al Sharpton elected president 7. pandemic Im going #2 Reason: The blasting of undead and being one of the ones to help "repopulate" the living